/*
 * Copyright (c) 2010 Yahoo! Inc. All rights reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License. See accompanying LICENSE file.
 */

package voldemort.performance.benchmark.generator;

import java.util.Random;

public class UniformIntegerGenerator extends IntegerGenerator {

    private Random random;
    private int lowerBound, upperBound, interval;

    public UniformIntegerGenerator(int lb, int ub) {
        this.random = new Random();
        this.lowerBound = lb;
        this.upperBound = ub;
        this.interval = upperBound - lowerBound + 1;
    }

    @Override
    public int nextInt() {
        int ret = random.nextInt(interval) + lowerBound;
        setLastInt(ret);
        return ret;
    }

}
